<p>
    Always add a new row to an existing list. (no replace). <b><a href="./uibuilder/docs/#/elements/lists" target="_blank">Docs</a></b>.
</p><p>
    Set the <b>Parent</b> to the id of the existing table.
</p><p>
    Set the input data to a string.
</p><p>
    Set the <b>Position</b> to "first", "last" or a number.
</p>
